Redwood City, San Mateo, California Air Quality

Monitoring Station · Redwood City, United States
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
68 2am
68
68
68 5am
68
68
48 8am
48
48
48 11am
41
48
48 2pm
48
48
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
CAMS model adj +14
54
54
54
54
54
54
34
34
34
34
27
34
34
34
34

Air Quality Forecast (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

-
Redwood City, San Mateo, California
0.0 km
28
Berkeley-Palo Alto
5.9 km PM2.5: 6.6 µg/m³
36
Emerald Hills
6.5 km PM2.5: 8.7 µg/m³
36
Acterra!
10.5 km PM2.5: 8.7 µg/m³
36
N Foothhill Blvd
21.4 km PM2.5: 8.6 µg/m³
35
Environment Education Center
22.6 km PM2.5: 8.3 µg/m³
53
JFK Middle School
23.4 km PM2.5: 12.9 µg/m³
34
Belle Air School
23.7 km PM2.5: 8.1 µg/m³

Nearby Cities

63 Redwood City 68 Menlo Park 64 San Carlos 68 East Palo Alto 68 Palo Alto 64 Belmont 64 Foster City 63 Los Altos 91 San Mateo

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T05:43 UTC.